diff --git a/py/更新文件名.py b/py/更新文件名.py
index 4b17b15..809b7be 100644
--- a/py/更新文件名.py
+++ b/py/更新文件名.py
@@ -27,12 +27,20 @@ def rename_files():
         # 检查文件是否是需要重命名的文件（根据初始文件名判断）
         if any(old_filename.endswith(init_filename) for init_filename in initial_filenames):
             if last_update_time and old_filename.startswith(f"{last_update_time}"):
-                # 如果存在上次重命名后的文件，删除它
+                # 如果只有上次重命名过的文件，用当前时间替换上次时间进行重命名
+                original_filename_after_last_time = old_filename[len(last_update_time):]
+                new_filename = f"{current_date}{original_filename_after_last_time}"
                 full_old_path = os.path.join(os.getcwd(), old_filename)
-                os.remove(full_old_path)
-                print(f"Deleted {old_filename}")
+                full_new_path = os.path.join(os.getcwd(), new_filename)
+                os.rename(full_old_path, full_new_path)
+                print(f"Renamed {old_filename} to {new_filename}")
             else:
-                # 首次重命名，直接加上当前时间
+                # 如果同时存在初始文件名和重命名过的文件，删除重命名过的文件
+                if any(f.endswith(old_filename) and f.startswith(last_update_time) for f in all_files):
+                    full_old_path = os.path.join(os.getcwd(), f"{last_update_time}{old_filename}")
+                    os.remove(full_old_path)
+                    print(f"Deleted {f'{last_update_time}{old_filename}'}")
+                # 对初始文件名文件进行重命名
                 new_filename = f"{current_date}{old_filename}"
                 full_old_path = os.path.join(os.getcwd(), old_filename)
                 full_new_path = os.path.join(os.getcwd(), new_filename)